diff --git a/homeassistant/components/lcn/__init__.py b/homeassistant/components/lcn/__init__.py
index 11cee726eb0..efc981b754c 100644
--- a/homeassistant/components/lcn/__init__.py
+++ b/homeassistant/components/lcn/__init__.py
@@ -16,7 +16,6 @@ from pypck.connection import (
 )
 from pypck.lcn_defs import LcnEvent
 
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
     CONF_DEVICE_ID,
     CONF_DOMAIN,
@@ -38,21 +37,20 @@ from homeassistant.helpers import (
 from homeassistant.helpers.typing import ConfigType
 
 from .const import (
-    ADD_ENTITIES_CALLBACKS,
     CONF_ACKNOWLEDGE,
     CONF_DIM_MODE,
     CONF_DOMAIN_DATA,
     CONF_SK_NUM_TRIES,
     CONF_TARGET_VALUE_LOCKED,
     CONF_TRANSITION,
-    CONNECTION,
-    DEVICE_CONNECTIONS,
     DOMAIN,
     PLATFORMS,
 )
 from .helpers import (
     AddressType,
     InputType,
+    LcnConfigEntry,
+    LcnRuntimeData,
     async_update_config_entry,
     generate_unique_id,
     purge_device_registry,
@@ -69,18 +67,14 @@ CONFIG_SCHEMA = cv.config_entry_only_config_schema(DOMAIN)
 
 async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Set up the LCN component."""
-    hass.data.setdefault(DOMAIN, {})
-
     async_setup_services(hass)
     await register_panel_and_ws_api(hass)
 
     return True
 
 
-async def async_setup_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> bool:
+async def async_setup_entry(hass: HomeAssistant, config_entry: LcnConfigEntry) -> bool:
     """Set up a connection to PCHK host from a config entry."""
-    if config_entry.entry_id in hass.data[DOMAIN]:
-        return False
 
     settings = {
         "SK_NUM_TRIES": config_entry.data[CONF_SK_NUM_TRIES],
@@ -114,11 +108,11 @@ async def async_setup_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> b
         ) from ex
 
     _LOGGER.debug('LCN connected to "%s"', config_entry.title)
-    hass.data[DOMAIN][config_entry.entry_id] = {
-        CONNECTION: lcn_connection,
-        DEVICE_CONNECTIONS: {},
-        ADD_ENTITIES_CALLBACKS: {},
-    }
+    config_entry.runtime_data = LcnRuntimeData(
+        connection=lcn_connection,
+        device_connections={},
+        add_entities_callbacks={},
+    )
 
     # Update config_entry with LCN device serials
     await async_update_config_entry(hass, config_entry)
@@ -146,7 +140,9 @@ async def async_setup_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> b
     return True
 
 
-async def async_migrate_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> bool:
+async def async_migrate_entry(
+    hass: HomeAssistant, config_entry: LcnConfigEntry
+) -> bool:
     """Migrate old entry."""
     _LOGGER.debug(
         "Migrating configuration from version %s.%s",
@@ -195,7 +191,7 @@ async def async_migrate_entry(hass: HomeAssistant, config_entry: ConfigEntry) ->
 
 
 async def async_migrate_entities(
-    hass: HomeAssistant, config_entry: ConfigEntry
+    hass: HomeAssistant, config_entry: LcnConfigEntry
 ) -> None:
     """Migrate entity registry."""
 
@@ -217,25 +213,24 @@ async def async_migrate_entities(
     await er.async_migrate_entries(hass, config_entry.entry_id, update_unique_id)
 
 
-async def async_unload_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> bool:
+async def async_unload_entry(hass: HomeAssistant, config_entry: LcnConfigEntry) -> bool:
     """Close connection to PCHK host represented by config_entry."""
     # forward unloading to platforms
     unload_ok = await hass.config_entries.async_unload_platforms(
         config_entry, PLATFORMS
     )
 
-    if unload_ok and config_entry.entry_id in hass.data[DOMAIN]:
-        host = hass.data[DOMAIN].pop(config_entry.entry_id)
-        await host[CONNECTION].async_close()
+    if unload_ok:
+        await config_entry.runtime_data.connection.async_close()
 
     return unload_ok
 
 
 def async_host_event_received(
-    hass: HomeAssistant, config_entry: ConfigEntry, event: pypck.lcn_defs.LcnEvent
+    hass: HomeAssistant, config_entry: LcnConfigEntry, event: pypck.lcn_defs.LcnEvent
 ) -> None:
     """Process received event from LCN."""
-    lcn_connection = hass.data[DOMAIN][config_entry.entry_id][CONNECTION]
+    lcn_connection = config_entry.runtime_data.connection
 
     async def reload_config_entry() -> None:
         """Close connection and schedule config entry for reload."""
@@ -258,7 +253,7 @@ def async_host_event_received(
 
 def async_host_input_received(
     hass: HomeAssistant,
-    config_entry: ConfigEntry,
+    config_entry: LcnConfigEntry,
     device_registry: dr.DeviceRegistry,
     inp: pypck.inputs.Input,
 ) -> None:
@@ -266,7 +261,7 @@ def async_host_input_received(
     if not isinstance(inp, pypck.inputs.ModInput):
         return
 
-    lcn_connection = hass.data[DOMAIN][config_entry.entry_id][CONNECTION]
+    lcn_connection = config_entry.runtime_data.connection
     logical_address = lcn_connection.physical_to_logical(inp.physical_source_addr)
     address = (
         logical_address.seg_id,
diff --git a/homeassistant/components/lcn/binary_sensor.py b/homeassistant/components/lcn/binary_sensor.py
index 65afae56f22..d8418c6d838 100644
--- a/homeassistant/components/lcn/binary_sensor.py
+++ b/homeassistant/components/lcn/binary_sensor.py
@@ -11,7 +11,6 @@ from homeassistant.components.binary_sensor import (
     BinarySensorEntity,
 )
 from homeassistant.components.script import scripts_with_entity
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_DOMAIN, CONF_ENTITIES, CONF_SOURCE
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
@@ -22,19 +21,13 @@ from homeassistant.helpers.issue_registry import (
 )
 from homeassistant.helpers.typing import ConfigType
 
-from .const import (
-    ADD_ENTITIES_CALLBACKS,
-    BINSENSOR_PORTS,
-    CONF_DOMAIN_DATA,
-    DOMAIN,
-    SETPOINTS,
-)
+from .const import BINSENSOR_PORTS, CONF_DOMAIN_DATA, DOMAIN, SETPOINTS
 from .entity import LcnEntity
-from .helpers import InputType
+from .helpers import InputType, LcnConfigEntry
 
 
 def add_lcn_entities(
-    config_entry: ConfigEntry,
+    config_entry: LcnConfigEntry,
     async_add_entities: AddConfigEntryEntitiesCallback,
     entity_configs: Iterable[ConfigType],
 ) -> None:
@@ -53,7 +46,7 @@ def add_lcn_entities(
 
 async def async_setup_entry(
     hass: HomeAssistant,
-    config_entry: ConfigEntry,
+    config_entry: LcnConfigEntry,
     async_add_entities: AddConfigEntryEntitiesCallback,
 ) -> None:
     """Set up LCN switch entities from a config entry."""
@@ -63,7 +56,7 @@ async def async_setup_entry(
         async_add_entities,
     )
 
-    hass.data[DOMAIN][config_entry.entry_id][ADD_ENTITIES_CALLBACKS].update(
+    config_entry.runtime_data.add_entities_callbacks.update(
         {DOMAIN_BINARY_SENSOR: add_entities}
     )
 
@@ -79,7 +72,7 @@ async def async_setup_entry(
 class LcnRegulatorLockSensor(LcnEntity, BinarySensorEntity):
     """Representation of a LCN binary sensor for regulator locks."""
 
-    def __init__(self, config: ConfigType, config_entry: ConfigEntry) -> None:
+    def __init__(self, config: ConfigType, config_entry: LcnConfigEntry) -> None:
         """Initialize the LCN binary sensor."""
         super().__init__(config, config_entry)
 
@@ -138,7 +131,7 @@ class LcnRegulatorLockSensor(LcnEntity, BinarySensorEntity):
 class LcnBinarySensor(LcnEntity, BinarySensorEntity):
     """Representation of a LCN binary sensor for binary sensor ports."""
 
-    def __init__(self, config: ConfigType, config_entry: ConfigEntry) -> None:
+    def __init__(self, config: ConfigType, config_entry: LcnConfigEntry) -> None:
         """Initialize the LCN binary sensor."""
         super().__init__(config, config_entry)
 
@@ -174,7 +167,7 @@ class LcnBinarySensor(LcnEntity, BinarySensorEntity):
 class LcnLockKeysSensor(LcnEntity, BinarySensorEntity):
     """Representation of a LCN sensor for key locks."""
 
-    def __init__(self, config: ConfigType, config_entry: ConfigEntry) -> None:
+    def __init__(self, config: ConfigType, config_entry: LcnConfigEntry) -> None:
         """Initialize the LCN sensor."""
         super().__init__(config, config_entry)
 
diff --git a/homeassistant/components/lcn/climate.py b/homeassistant/components/lcn/climate.py
index e91ae723714..5dc1419cecc 100644
--- a/homeassistant/components/lcn/climate.py
+++ b/homeassistant/components/lcn/climate.py
@@ -12,7 +12,6 @@ from homeassistant.components.climate import (
     ClimateEntityFeature,
     HVACMode,
 )
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
     ATTR_TEMPERATURE,
     CONF_DOMAIN,
@@ -26,23 +25,21 @@ from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
 from homeassistant.helpers.typing import ConfigType
 
 from .const import (
-    ADD_ENTITIES_CALLBACKS,
     CONF_DOMAIN_DATA,
     CONF_LOCKABLE,
     CONF_MAX_TEMP,
     CONF_MIN_TEMP,
     CONF_SETPOINT,
     CONF_TARGET_VALUE_LOCKED,
-    DOMAIN,
 )
 from .entity import LcnEntity
-from .helpers import InputType
+from .helpers import InputType, LcnConfigEntry
 
 PARALLEL_UPDATES = 0
 
 
 def add_lcn_entities(
-    config_entry: ConfigEntry,
+    config_entry: LcnConfigEntry,
     async_add_entities: AddConfigEntryEntitiesCallback,
     entity_configs: Iterable[ConfigType],
 ) -> None:
@@ -56,7 +53,7 @@ def add_lcn_entities(
 
 async def async_setup_entry(
     hass: HomeAssistant,
-    config_entry: ConfigEntry,
+    config_entry: LcnConfigEntry,
     async_add_entities: AddConfigEntryEntitiesCallback,
 ) -> None:
     """Set up LCN switch entities from a config entry."""
@@ -66,7 +63,7 @@ async def async_setup_entry(
         async_add_entities,
     )
 
-    hass.data[DOMAIN][config_entry.entry_id][ADD_ENTITIES_CALLBACKS].update(
+    config_entry.runtime_data.add_entities_callbacks.update(
         {DOMAIN_CLIMATE: add_entities}
     )
 
@@ -82,7 +79,7 @@ async def async_setup_entry(
 class LcnClimate(LcnEntity, ClimateEntity):
     """Representation of a LCN climate device."""
 
-    def __init__(self, config: ConfigType, config_entry: ConfigEntry) -> None:
+    def __init__(self, config: ConfigType, config_entry: LcnConfigEntry) -> None:
         """Initialize of a LCN climate device."""
         super().__init__(config, config_entry)
 
diff --git a/homeassistant/components/lcn/const.py b/homeassistant/components/lcn/const.py
index d67c02ed56a..d8831c66f0b 100644
--- a/homeassistant/components/lcn/const.py
+++ b/homeassistant/components/lcn/const.py
@@ -15,12 +15,8 @@ PLATFORMS = [
 ]
 
 DOMAIN = "lcn"
-DATA_LCN = "lcn"
 DEFAULT_NAME = "pchk"
 
-ADD_ENTITIES_CALLBACKS = "add_entities_callbacks"
-CONNECTION = "connection"
-DEVICE_CONNECTIONS = "device_connections"
 CONF_HARDWARE_SERIAL = "hardware_serial"
 CONF_SOFTWARE_SERIAL = "software_serial"
 CONF_HARDWARE_TYPE = "hardware_type"
diff --git a/homeassistant/components/lcn/cover.py b/homeassistant/components/lcn/cover.py
index 068d8f5ba11..cb292f7cadf 100644
--- a/homeassistant/components/lcn/cover.py
+++ b/homeassistant/components/lcn/cover.py
@@ -12,28 +12,25 @@ from homeassistant.components.cover import (
     CoverEntity,
     CoverEntityFeature,
 )
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_DOMAIN, CONF_ENTITIES
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
 from homeassistant.helpers.typing import ConfigType
 
 from .const import (
-    ADD_ENTITIES_CALLBACKS,
     CONF_DOMAIN_DATA,
     CONF_MOTOR,
     CONF_POSITIONING_MODE,
     CONF_REVERSE_TIME,
-    DOMAIN,
 )
 from .entity import LcnEntity
-from .helpers import InputType
+from .helpers import InputType, LcnConfigEntry
 
 PARALLEL_UPDATES = 0
 
 
 def add_lcn_entities(
-    config_entry: ConfigEntry,
+    config_entry: LcnConfigEntry,
     async_add_entities: AddConfigEntryEntitiesCallback,
     entity_configs: Iterable[ConfigType],
 ) -> None:
@@ -50,7 +47,7 @@ def add_lcn_entities(
 
 async def async_setup_entry(
     hass: HomeAssistant,
-    config_entry: ConfigEntry,
+    config_entry: LcnConfigEntry,
     async_add_entities: AddConfigEntryEntitiesCallback,
 ) -> None:
     """Set up LCN cover entities from a config entry."""
@@ -60,7 +57,7 @@ async def async_setup_entry(
         async_add_entities,
     )
 
-    hass.data[DOMAIN][config_entry.entry_id][ADD_ENTITIES_CALLBACKS].update(
+    config_entry.runtime_data.add_entities_callbacks.update(
         {DOMAIN_COVER: add_entities}
     )
 
@@ -81,7 +78,7 @@ class LcnOutputsCover(LcnEntity, CoverEntity):
     _attr_is_opening = False
     _attr_assumed_state = True
 
-    def __init__(self, config: ConfigType, config_entry: ConfigEntry) -> None:
+    def __init__(self, config: ConfigType, config_entry: LcnConfigEntry) -> None:
         """Initialize the LCN cover."""
         super().__init__(config, config_entry)
 
@@ -188,7 +185,7 @@ class LcnRelayCover(LcnEntity, CoverEntity):
 
     positioning_mode: pypck.lcn_defs.MotorPositioningMode
 
-    def __init__(self, config: ConfigType, config_entry: ConfigEntry) -> None:
+    def __init__(self, config: ConfigType, config_entry: LcnConfigEntry) -> None:
         """Initialize the LCN cover."""
         super().__init__(config, config_entry)
 
diff --git a/homeassistant/components/lcn/entity.py b/homeassistant/components/lcn/entity.py
index a1940fc7ac3..f94251983b4 100644
--- a/homeassistant/components/lcn/entity.py
+++ b/homeassistant/components/lcn/entity.py
@@ -2,7 +2,6 @@
 
 from collections.abc import Callable
 
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_ADDRESS, CONF_DOMAIN, CONF_NAME
 from homeassistant.helpers.device_registry import DeviceInfo
 from homeassistant.helpers.entity import Entity
@@ -13,6 +12,7 @@ from .helpers import (
     AddressType,
     DeviceConnectionType,
     InputType,
+    LcnConfigEntry,
     generate_unique_id,
     get_device_connection,
     get_resource,
@@ -29,7 +29,7 @@ class LcnEntity(Entity):
     def __init__(
         self,
         config: ConfigType,
-        config_entry: ConfigEntry,
+        config_entry: LcnConfigEntry,
     ) -> None:
         """Initialize the LCN device."""
         self.config = config
diff --git a/homeassistant/components/lcn/helpers.py b/homeassistant/components/lcn/helpers.py
index 1bc4c6caa41..515f64b6e31 100644
--- a/homeassistant/components/lcn/helpers.py
+++ b/homeassistant/components/lcn/helpers.py
@@ -3,11 +3,14 @@
 from __future__ import annotations
 
 import asyncio
+from collections.abc import Callable, Iterable
 from copy import deepcopy
+from dataclasses import dataclass
 import re
 from typing import cast
 
 import pypck
+from pypck.connection import PchkConnectionManager
 
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
@@ -33,12 +36,27 @@ from .const import (
     CONF_HARDWARE_TYPE,
     CONF_SCENES,
     CONF_SOFTWARE_SERIAL,
-    CONNECTION,
-    DEVICE_CONNECTIONS,
     DOMAIN,
 )
 
+
+@dataclass
+class LcnRuntimeData:
+    """Data for LCN config entry."""
+
+    connection: PchkConnectionManager
+    """Connection to PCHK host."""
+
+    device_connections: dict[str, DeviceConnectionType]
+    """Logical addresses of devices connected to the host."""
+
+    add_entities_callbacks: dict[str, Callable[[Iterable[ConfigType]], None]]
+    """Callbacks to add entities for platforms."""
+
+
 # typing
+type LcnConfigEntry = ConfigEntry[LcnRuntimeData]
+
 type AddressType = tuple[int, int, bool]
 type DeviceConnectionType = pypck.module.ModuleConnection | pypck.module.GroupConnection
 
@@ -62,10 +80,10 @@ DOMAIN_LOOKUP = {
 
 
 def get_device_connection(
-    hass: HomeAssistant, address: AddressType, config_entry: ConfigEntry
+    hass: HomeAssistant, address: AddressType, config_entry: LcnConfigEntry
 ) -> DeviceConnectionType:
     """Return a lcn device_connection."""
-    host_connection = hass.data[DOMAIN][config_entry.entry_id][CONNECTION]
+    host_connection = config_entry.runtime_data.connection
     addr = pypck.lcn_addr.LcnAddr(*address)
     return host_connection.get_address_conn(addr)
 
@@ -165,7 +183,7 @@ def purge_device_registry(
         device_registry.async_remove_device(device_id)
 
 
-def register_lcn_host_device(hass: HomeAssistant, config_entry: ConfigEntry) -> None:
+def register_lcn_host_device(hass: HomeAssistant, config_entry: LcnConfigEntry) -> None:
     """Register LCN host for given config_entry in device registry."""
     device_registry = dr.async_get(hass)
 
@@ -179,7 +197,7 @@ def register_lcn_host_device(hass: HomeAssistant, config_entry: ConfigEntry) ->
 
 
 def register_lcn_address_devices(
-    hass: HomeAssistant, config_entry: ConfigEntry
+    hass: HomeAssistant, config_entry: LcnConfigEntry
 ) -> None:
     """Register LCN modules and groups defined in config_entry as devices in device registry.
 
@@ -217,9 +235,9 @@ def register_lcn_address_devices(
             model=device_model,
         )
 
-        hass.data[DOMAIN][config_entry.entry_id][DEVICE_CONNECTIONS][
-            device_entry.id
-        ] = get_device_connection(hass, address, config_entry)
+        config_entry.runtime_data.device_connections[device_entry.id] = (
+            get_device_connection(hass, address, config_entry)
+        )
 
 
 async def async_update_device_config(
@@ -254,7 +272,7 @@ async def async_update_device_config(
 
 
 async def async_update_config_entry(
-    hass: HomeAssistant, config_entry: ConfigEntry
+    hass: HomeAssistant, config_entry: LcnConfigEntry
 ) -> None:
     """Fill missing values in config_entry with infos from LCN bus."""
     device_configs = deepcopy(config_entry.data[CONF_DEVICES])
diff --git a/homeassistant/components/lcn/light.py b/homeassistant/components/lcn/light.py
index cba7c0888b7..cd6b5c7057e 100644
--- a/homeassistant/components/lcn/light.py
+++ b/homeassistant/components/lcn/light.py
@@ -14,29 +14,26 @@ from homeassistant.components.light import (
     LightEntity,
     LightEntityFeature,
 )
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_DOMAIN, CONF_ENTITIES
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
 from homeassistant.helpers.typing import ConfigType
 
 from .const import (
-    ADD_ENTITIES_CALLBACKS,
     CONF_DIMMABLE,
     CONF_DOMAIN_DATA,
     CONF_OUTPUT,
     CONF_TRANSITION,
-    DOMAIN,
     OUTPUT_PORTS,
 )
 from .entity import LcnEntity
-from .helpers import InputType
+from .helpers import InputType, LcnConfigEntry
 
 PARALLEL_UPDATES = 0
 
 
 def add_lcn_entities(
-    config_entry: ConfigEntry,
+    config_entry: LcnConfigEntry,
     async_add_entities: AddConfigEntryEntitiesCallback,
     entity_configs: Iterable[ConfigType],
 ) -> None:
@@ -53,7 +50,7 @@ def add_lcn_entities(
 
 async def async_setup_entry(
     hass: HomeAssistant,
-    config_entry: ConfigEntry,
+    config_entry: LcnConfigEntry,
     async_add_entities: AddConfigEntryEntitiesCallback,
 ) -> None:
     """Set up LCN light entities from a config entry."""
@@ -63,7 +60,7 @@ async def async_setup_entry(
         async_add_entities,
     )
 
-    hass.data[DOMAIN][config_entry.entry_id][ADD_ENTITIES_CALLBACKS].update(
+    config_entry.runtime_data.add_entities_callbacks.update(
         {DOMAIN_LIGHT: add_entities}
     )
 
@@ -83,7 +80,7 @@ class LcnOutputLight(LcnEntity, LightEntity):
     _attr_is_on = False
     _attr_brightness = 255
 
-    def __init__(self, config: ConfigType, config_entry: ConfigEntry) -> None:
+    def __init__(self, config: ConfigType, config_entry: LcnConfigEntry) -> None:
         """Initialize the LCN light."""
         super().__init__(config, config_entry)
 
@@ -175,7 +172,7 @@ class LcnRelayLight(LcnEntity, LightEntity):
     _attr_supported_color_modes = {ColorMode.ONOFF}
     _attr_is_on = False
 
-    def __init__(self, config: ConfigType, config_entry: ConfigEntry) -> None:
+    def __init__(self, config: ConfigType, config_entry: LcnConfigEntry) -> None:
         """Initialize the LCN light."""
         super().__init__(config, config_entry)
 
diff --git a/homeassistant/components/lcn/scene.py b/homeassistant/components/lcn/scene.py
index 072d0a20757..1d6839b5d91 100644
--- a/homeassistant/components/lcn/scene.py
+++ b/homeassistant/components/lcn/scene.py
@@ -7,28 +7,26 @@ from typing import Any
 import pypck
 
 from homeassistant.components.scene import DOMAIN as DOMAIN_SCENE, Scene
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_DOMAIN, CONF_ENTITIES, CONF_SCENE
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
 from homeassistant.helpers.typing import ConfigType
 
 from .const import (
-    ADD_ENTITIES_CALLBACKS,
     CONF_DOMAIN_DATA,
     CONF_OUTPUTS,
     CONF_REGISTER,
     CONF_TRANSITION,
-    DOMAIN,
     OUTPUT_PORTS,
 )
 from .entity import LcnEntity
+from .helpers import LcnConfigEntry
 
 PARALLEL_UPDATES = 0
 
 
 def add_lcn_entities(
-    config_entry: ConfigEntry,
+    config_entry: LcnConfigEntry,
     async_add_entities: AddConfigEntryEntitiesCallback,
     entity_configs: Iterable[ConfigType],
 ) -> None:
@@ -42,7 +40,7 @@ def add_lcn_entities(
 
 async def async_setup_entry(
     hass: HomeAssistant,
-    config_entry: ConfigEntry,
+    config_entry: LcnConfigEntry,
     async_add_entities: AddConfigEntryEntitiesCallback,
 ) -> None:
     """Set up LCN switch entities from a config entry."""
@@ -52,7 +50,7 @@ async def async_setup_entry(
         async_add_entities,
     )
 
-    hass.data[DOMAIN][config_entry.entry_id][ADD_ENTITIES_CALLBACKS].update(
+    config_entry.runtime_data.add_entities_callbacks.update(
         {DOMAIN_SCENE: add_entities}
     )
 
@@ -68,7 +66,7 @@ async def async_setup_entry(
 class LcnScene(LcnEntity, Scene):
     """Representation of a LCN scene."""
 
-    def __init__(self, config: ConfigType, config_entry: ConfigEntry) -> None:
+    def __init__(self, config: ConfigType, config_entry: LcnConfigEntry) -> None:
         """Initialize the LCN scene."""
         super().__init__(config, config_entry)
 
diff --git a/homeassistant/components/lcn/sensor.py b/homeassistant/components/lcn/sensor.py
index 0c78ea6637a..fd90c024383 100644
--- a/homeassistant/components/lcn/sensor.py
+++ b/homeassistant/components/lcn/sensor.py
@@ -11,7 +11,6 @@ from homeassistant.components.sensor import (
     SensorDeviceClass,
     SensorEntity,
 )
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
     CONCENTRATION_PARTS_PER_MILLION,
     CONF_DOMAIN,
@@ -29,9 +28,7 @@ from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
 from homeassistant.helpers.typing import ConfigType
 
 from .const import (
-    ADD_ENTITIES_CALLBACKS,
     CONF_DOMAIN_DATA,
-    DOMAIN,
     LED_PORTS,
     S0_INPUTS,
     SETPOINTS,
@@ -39,7 +36,7 @@ from .const import (
     VARIABLES,
 )
 from .entity import LcnEntity
-from .helpers import InputType
+from .helpers import InputType, LcnConfigEntry
 
 DEVICE_CLASS_MAPPING = {
     pypck.lcn_defs.VarUnit.CELSIUS: SensorDeviceClass.TEMPERATURE,
@@ -67,7 +64,7 @@ UNIT_OF_MEASUREMENT_MAPPING = {
 
 
 def add_lcn_entities(
-    config_entry: ConfigEntry,
+    config_entry: LcnConfigEntry,
     async_add_entities: AddConfigEntryEntitiesCallback,
     entity_configs: Iterable[ConfigType],
 ) -> None:
@@ -86,7 +83,7 @@ def add_lcn_entities(
 
 async def async_setup_entry(
     hass: HomeAssistant,
-    config_entry: ConfigEntry,
+    config_entry: LcnConfigEntry,
     async_add_entities: AddConfigEntryEntitiesCallback,
 ) -> None:
     """Set up LCN switch entities from a config entry."""
@@ -96,7 +93,7 @@ async def async_setup_entry(
         async_add_entities,
     )
 
-    hass.data[DOMAIN][config_entry.entry_id][ADD_ENTITIES_CALLBACKS].update(
+    config_entry.runtime_data.add_entities_callbacks.update(
         {DOMAIN_SENSOR: add_entities}
     )
 
@@ -112,7 +109,7 @@ async def async_setup_entry(
 class LcnVariableSensor(LcnEntity, SensorEntity):
     """Representation of a LCN sensor for variables."""
 
-    def __init__(self, config: ConfigType, config_entry: ConfigEntry) -> None:
+    def __init__(self, config: ConfigType, config_entry: LcnConfigEntry) -> None:
         """Initialize the LCN sensor."""
         super().__init__(config, config_entry)
 
@@ -157,7 +154,7 @@ class LcnVariableSensor(LcnEntity, SensorEntity):
 class LcnLedLogicSensor(LcnEntity, SensorEntity):
     """Representation of a LCN sensor for leds and logicops."""
 
-    def __init__(self, config: ConfigType, config_entry: ConfigEntry) -> None:
+    def __init__(self, config: ConfigType, config_entry: LcnConfigEntry) -> None:
         """Initialize the LCN sensor."""
         super().__init__(config, config_entry)
 
diff --git a/homeassistant/components/lcn/services.py b/homeassistant/components/lcn/services.py
index 33550d9785d..15d60639a1c 100644
--- a/homeassistant/components/lcn/services.py
+++ b/homeassistant/components/lcn/services.py
@@ -36,7 +36,6 @@ from .const import (
     CONF_TRANSITION,
     CONF_VALUE,
     CONF_VARIABLE,
-    DEVICE_CONNECTIONS,
     DOMAIN,
     LED_PORTS,
     LED_STATUS,
@@ -49,7 +48,7 @@ from .const import (
     VAR_UNITS,
     VARIABLES,
 )
-from .helpers import DeviceConnectionType, is_states_string
+from .helpers import DeviceConnectionType, LcnConfigEntry, is_states_string
 
 
 class LcnServiceCall:
@@ -68,18 +67,28 @@ class LcnServiceCall:
 
     def get_device_connection(self, service: ServiceCall) -> DeviceConnectionType:
         """Get address connection object."""
+        entries: list[LcnConfigEntry] = self.hass.config_entries.async_loaded_entries(
+            DOMAIN
+        )
         device_id = service.data[CONF_DEVICE_ID]
         device_registry = dr.async_get(self.hass)
-        if not (device := device_registry.async_get(device_id)):
+        if not (device := device_registry.async_get(device_id)) or not (
+            entry := next(
+                (
+                    entry
+                    for entry in entries
+                    if entry.entry_id == device.primary_config_entry
+                ),
+                None,
+            )
+        ):
             raise ServiceValidationError(
                 translation_domain=DOMAIN,
                 translation_key="invalid_device_id",
                 translation_placeholders={"device_id": device_id},
             )
 
-        return self.hass.data[DOMAIN][device.primary_config_entry][DEVICE_CONNECTIONS][
-            device_id
-        ]
+        return entry.runtime_data.device_connections[device_id]
 
     async def async_call_service(self, service: ServiceCall) -> ServiceResponse:
         """Execute service call."""
diff --git a/homeassistant/components/lcn/switch.py b/homeassistant/components/lcn/switch.py
index 6267a081bc9..f0bb432fef9 100644
--- a/homeassistant/components/lcn/switch.py
+++ b/homeassistant/components/lcn/switch.py
@@ -7,29 +7,20 @@ from typing import Any
 import pypck
 
 from homeassistant.components.switch import DOMAIN as DOMAIN_SWITCH, SwitchEntity
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_DOMAIN, CONF_ENTITIES
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
 from homeassistant.helpers.typing import ConfigType
 
-from .const import (
-    ADD_ENTITIES_CALLBACKS,
-    CONF_DOMAIN_DATA,
-    CONF_OUTPUT,
-    DOMAIN,
-    OUTPUT_PORTS,
-    RELAY_PORTS,
-    SETPOINTS,
-)
+from .const import CONF_DOMAIN_DATA, CONF_OUTPUT, OUTPUT_PORTS, RELAY_PORTS, SETPOINTS
 from .entity import LcnEntity
-from .helpers import InputType
+from .helpers import InputType, LcnConfigEntry
 
 PARALLEL_UPDATES = 0
 
 
 def add_lcn_switch_entities(
-    config_entry: ConfigEntry,
+    config_entry: LcnConfigEntry,
     async_add_entities: AddConfigEntryEntitiesCallback,
     entity_configs: Iterable[ConfigType],
 ) -> None:
@@ -52,7 +43,7 @@ def add_lcn_switch_entities(
 
 async def async_setup_entry(
     hass: HomeAssistant,
-    config_entry: ConfigEntry,
+    config_entry: LcnConfigEntry,
     async_add_entities: AddConfigEntryEntitiesCallback,
 ) -> None:
     """Set up LCN switch entities from a config entry."""
@@ -62,7 +53,7 @@ async def async_setup_entry(
         async_add_entities,
     )
 
-    hass.data[DOMAIN][config_entry.entry_id][ADD_ENTITIES_CALLBACKS].update(
+    config_entry.runtime_data.add_entities_callbacks.update(
         {DOMAIN_SWITCH: add_entities}
     )
 
@@ -80,7 +71,7 @@ class LcnOutputSwitch(LcnEntity, SwitchEntity):
 
     _attr_is_on = False
 
-    def __init__(self, config: ConfigType, config_entry: ConfigEntry) -> None:
+    def __init__(self, config: ConfigType, config_entry: LcnConfigEntry) -> None:
         """Initialize the LCN switch."""
         super().__init__(config, config_entry)
 
@@ -129,7 +120,7 @@ class LcnRelaySwitch(LcnEntity, SwitchEntity):
 
     _attr_is_on = False
 
-    def __init__(self, config: ConfigType, config_entry: ConfigEntry) -> None:
+    def __init__(self, config: ConfigType, config_entry: LcnConfigEntry) -> None:
         """Initialize the LCN switch."""
         super().__init__(config, config_entry)
 
@@ -179,7 +170,7 @@ class LcnRegulatorLockSwitch(LcnEntity, SwitchEntity):
 
     _attr_is_on = False
 
-    def __init__(self, config: ConfigType, config_entry: ConfigEntry) -> None:
+    def __init__(self, config: ConfigType, config_entry: LcnConfigEntry) -> None:
         """Initialize the LCN switch."""
         super().__init__(config, config_entry)
 
@@ -235,7 +226,7 @@ class LcnKeyLockSwitch(LcnEntity, SwitchEntity):
 
     _attr_is_on = False
 
-    def __init__(self, config: ConfigType, config_entry: ConfigEntry) -> None:
+    def __init__(self, config: ConfigType, config_entry: LcnConfigEntry) -> None:
         """Initialize the LCN switch."""
         super().__init__(config, config_entry)
 
diff --git a/homeassistant/components/lcn/websocket.py b/homeassistant/components/lcn/websocket.py
index 545ee1e0043..87399afc295 100644
--- a/homeassistant/components/lcn/websocket.py
+++ b/homeassistant/components/lcn/websocket.py
@@ -4,15 +4,17 @@ from __future__ import annotations
 
 from collections.abc import Awaitable, Callable
 from functools import wraps
-from typing import TYPE_CHECKING, Any, Final
+from typing import Any, Final
 
 import lcn_frontend as lcn_panel
 import voluptuous as vol
 
 from homeassistant.components import panel_custom, websocket_api
 from homeassistant.components.http import StaticPathConfig
-from homeassistant.components.websocket_api import AsyncWebSocketCommandHandler
-from homeassistant.config_entries import ConfigEntry
+from homeassistant.components.websocket_api import (
+    ActiveConnection,
+    AsyncWebSocketCommandHandler,
+)
 from homeassistant.const import (
     CONF_ADDRESS,
     CONF_DEVICES,
@@ -28,16 +30,15 @@ from homeassistant.helpers import (
 )
 
 from .const import (
-    ADD_ENTITIES_CALLBACKS,
     CONF_DOMAIN_DATA,
     CONF_HARDWARE_SERIAL,
     CONF_HARDWARE_TYPE,
     CONF_SOFTWARE_SERIAL,
-    CONNECTION,
     DOMAIN,
 )
 from .helpers import (
     DeviceConnectionType,
+    LcnConfigEntry,
     async_update_device_config,
     generate_unique_id,
     get_device_config,
@@ -58,11 +59,8 @@ from .schemas import (
     DOMAIN_DATA_SWITCH,
 )
 
-if TYPE_CHECKING:
-    from homeassistant.components.websocket_api import ActiveConnection
-
 type AsyncLcnWebSocketCommandHandler = Callable[
-    [HomeAssistant, ActiveConnection, dict[str, Any], ConfigEntry], Awaitable[None]
+    [HomeAssistant, ActiveConnection, dict[str, Any], LcnConfigEntry], Awaitable[None]
 ]
 
 URL_BASE: Final = "/lcn_static"
@@ -127,7 +125,7 @@ async def websocket_get_device_configs(
     hass: HomeAssistant,
     connection: websocket_api.ActiveConnection,
     msg: dict,
-    config_entry: ConfigEntry,
+    config_entry: LcnConfigEntry,
 ) -> None:
     """Get device configs."""
     connection.send_result(msg["id"], config_entry.data[CONF_DEVICES])
@@ -147,7 +145,7 @@ async def websocket_get_entity_configs(
     hass: HomeAssistant,
     connection: websocket_api.ActiveConnection,
     msg: dict,
-    config_entry: ConfigEntry,
+    config_entry: LcnConfigEntry,
 ) -> None:
     """Get entities configs."""
     if CONF_ADDRESS in msg:
@@ -178,10 +176,10 @@ async def websocket_scan_devices(
     hass: HomeAssistant,
     connection: websocket_api.ActiveConnection,
     msg: dict,
-    config_entry: ConfigEntry,
+    config_entry: LcnConfigEntry,
 ) -> None:
     """Scan for new devices."""
-    host_connection = hass.data[DOMAIN][config_entry.entry_id][CONNECTION]
+    host_connection = config_entry.runtime_data.connection
     await host_connection.scan_modules()
 
     for device_connection in host_connection.address_conns.values():
@@ -210,7 +208,7 @@ async def websocket_add_device(
     hass: HomeAssistant,
     connection: websocket_api.ActiveConnection,
     msg: dict,
-    config_entry: ConfigEntry,
+    config_entry: LcnConfigEntry,
 ) -> None:
     """Add a device."""
     if get_device_config(msg[CONF_ADDRESS], config_entry):
@@ -256,7 +254,7 @@ async def websocket_delete_device(
     hass: HomeAssistant,
     connection: websocket_api.ActiveConnection,
     msg: dict,
-    config_entry: ConfigEntry,
+    config_entry: LcnConfigEntry,
 ) -> None:
     """Delete a device."""
     device_config = get_device_config(msg[CONF_ADDRESS], config_entry)
@@ -318,7 +316,7 @@ async def websocket_add_entity(
     hass: HomeAssistant,
     connection: websocket_api.ActiveConnection,
     msg: dict,
-    config_entry: ConfigEntry,
+    config_entry: LcnConfigEntry,
 ) -> None:
     """Add an entity."""
     if not (device_config := get_device_config(msg[CONF_ADDRESS], config_entry)):
@@ -347,9 +345,7 @@ async def websocket_add_entity(
     }
 
     # Create new entity and add to corresponding component
-    add_entities = hass.data[DOMAIN][msg["entry_id"]][ADD_ENTITIES_CALLBACKS][
-        msg[CONF_DOMAIN]
-    ]
+    add_entities = config_entry.runtime_data.add_entities_callbacks[msg[CONF_DOMAIN]]
     add_entities([entity_config])
 
     # Add entity config to config_entry
@@ -386,7 +382,7 @@ async def websocket_delete_entity(
     hass: HomeAssistant,
     connection: websocket_api.ActiveConnection,
     msg: dict,
-    config_entry: ConfigEntry,
+    config_entry: LcnConfigEntry,
 ) -> None:
     """Delete an entity."""
     entity_config = next(
@@ -426,7 +422,7 @@ async def websocket_delete_entity(
 async def async_create_or_update_device_in_config_entry(
     hass: HomeAssistant,
     device_connection: DeviceConnectionType,
-    config_entry: ConfigEntry,
+    config_entry: LcnConfigEntry,
 ) -> None:
     """Create or update device in config_entry according to given device_connection."""
     address = (
@@ -455,7 +451,7 @@ async def async_create_or_update_device_in_config_entry(
 
 
 def get_entity_entry(
-    hass: HomeAssistant, entity_config: dict, config_entry: ConfigEntry
+    hass: HomeAssistant, entity_config: dict, config_entry: LcnConfigEntry
 ) -> er.RegistryEntry | None:
     """Get entity RegistryEntry from entity_config."""
     entity_registry = er.async_get(hass)